klever-go: Percentage-transfer royalty skips the source debit at exactly-100% splits

Summary In processPercentageRoyaltiesTransfer the royalty pool is collected from the sender by SubFromBalance that is ordered after the split loop and after if royaltiesToPay royaltiesToPay, so a split entry of exactly 100% PercentTransferPercentage = 10000 is a valid config: it drives...